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SubjectRe: 2.6.4-mm1
Date
Hi,

just tested, it works just fine :)
no more errors,
dmsetup version and dmsetup ls work nicely
I will try to make evms work now but I guess that should be okay.
I will report if I have other troubles.

good candidate for next mm ?

thanks Joe,

Mik

Le vendredi 12 Mars 2004 10:49, Joe Thornber a écrit :
> On Fri, Mar 12, 2004 at 08:22:14AM +0000, Joe Thornber wrote:
> > name len == 128, uuid_len == 129, so is the uuid_len being rounded up
> > to the nearest 64bit boundary on x86-64 and only 32bit boundary on
> > x86-32 ? (Sounds likely)
>
> In which case the following ugly patch should fix things. Mickael,
> any chance you could test this please ?
>
> - Joe
>
>
> Fix ioctl breakage on x86-64.
> --- diff/include/linux/dm-ioctl.h 2004-03-11 10:20:28.000000000 +0000
> +++ source/include/linux/dm-ioctl.h 2004-03-12 09:44:58.000000000 +0000
> @@ -187,23 +187,37 @@ enum {
> DM_TABLE_STATUS_CMD,
> };
>
> +/*
> + * The dm_ioctl struct passed into the ioctl is just the header
> + * on a larger chunk of memory. On x86-64 the dm-ioctl struct
> + * will be padded to an 8 byte boundary so the size will be
> + * different, which would change the ioctl code - yes I really
> + * messed up. This hack forces x86-64 to have the correct ioctl
> + * code.
> + */
> +#ifdef CONFIG_X86_64
> +typedef char ioctl_struct[308];
> +#else
> +typedef struct dm_ioctl ioctl_struct;
> +#endif
> +
> #define DM_IOCTL 0xfd
>
> -#define DM_VERSION _IOWR(DM_IOCTL, DM_VERSION_CMD, struct dm_ioctl)
> -#define DM_REMOVE_ALL _IOWR(DM_IOCTL, DM_REMOVE_ALL_CMD, struct
> dm_ioctl) -#define DM_LIST_DEVICES _IOWR(DM_IOCTL, DM_LIST_DEVICES_CMD,
> struct dm_ioctl) -
> -#define DM_DEV_CREATE _IOWR(DM_IOCTL, DM_DEV_CREATE_CMD, struct
> dm_ioctl) -#define DM_DEV_REMOVE _IOWR(DM_IOCTL, DM_DEV_REMOVE_CMD,
> struct dm_ioctl) -#define DM_DEV_RENAME _IOWR(DM_IOCTL,
> DM_DEV_RENAME_CMD, struct dm_ioctl) -#define DM_DEV_SUSPEND
> _IOWR(DM_IOCTL, DM_DEV_SUSPEND_CMD, struct dm_ioctl) -#define DM_DEV_STATUS
> _IOWR(DM_IOCTL, DM_DEV_STATUS_CMD, struct dm_ioctl) -#define DM_DEV_WAIT
> _IOWR(DM_IOCTL, DM_DEV_WAIT_CMD, struct dm_ioctl) -
> -#define DM_TABLE_LOAD _IOWR(DM_IOCTL, DM_TABLE_LOAD_CMD, struct
> dm_ioctl) -#define DM_TABLE_CLEAR _IOWR(DM_IOCTL, DM_TABLE_CLEAR_CMD,
> struct dm_ioctl) -#define DM_TABLE_DEPS _IOWR(DM_IOCTL,
> DM_TABLE_DEPS_CMD, struct dm_ioctl) -#define DM_TABLE_STATUS
> _IOWR(DM_IOCTL, DM_TABLE_STATUS_CMD, struct dm_ioctl) +#define DM_VERSION
> _IOWR(DM_IOCTL, DM_VERSION_CMD, ioctl_struct) +#define DM_REMOVE_ALL
> _IOWR(DM_IOCTL, DM_REMOVE_ALL_CMD, ioctl_struct) +#define DM_LIST_DEVICES
> _IOWR(DM_IOCTL, DM_LIST_DEVICES_CMD, ioctl_struct) +
> +#define DM_DEV_CREATE _IOWR(DM_IOCTL, DM_DEV_CREATE_CMD, ioctl_struct)
> +#define DM_DEV_REMOVE _IOWR(DM_IOCTL, DM_DEV_REMOVE_CMD, ioctl_struct)
> +#define DM_DEV_RENAME _IOWR(DM_IOCTL, DM_DEV_RENAME_CMD, ioctl_struct)
> +#define DM_DEV_SUSPEND _IOWR(DM_IOCTL, DM_DEV_SUSPEND_CMD, ioctl_struct)
> +#define DM_DEV_STATUS _IOWR(DM_IOCTL, DM_DEV_STATUS_CMD, ioctl_struct)
> +#define DM_DEV_WAIT _IOWR(DM_IOCTL, DM_DEV_WAIT_CMD, ioctl_struct)
> +
> +#define DM_TABLE_LOAD _IOWR(DM_IOCTL, DM_TABLE_LOAD_CMD, ioctl_struct)
> +#define DM_TABLE_CLEAR _IOWR(DM_IOCTL, DM_TABLE_CLEAR_CMD, ioctl_struct)
> +#define DM_TABLE_DEPS _IOWR(DM_IOCTL, DM_TABLE_DEPS_CMD, ioctl_struct)
> +#define DM_TABLE_STATUS _IOWR(DM_IOCTL, DM_TABLE_STATUS_CMD,
> ioctl_struct)
>
> #define DM_VERSION_MAJOR 4
> #define DM_VERSION_MINOR 0
> -
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